low gravity crude 低API度数原油
medium-gravity crude 中等比重原油
crude oil gravity 原油比重度
gravity classification of crude oil 原油重度分类法
very low-gravity sand-laden crude 含砂重质原油
gravity crude
重力原油
以上为机器翻译结果，长、整句建议使用 人工翻译 。
Bakken crude is a sweet, light crude that typically has a gravity of 40 to 42 degrees, ideal for most U.S. refineries.
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Steam Assisted Gravity Drainage (SAGD) pumps steam into the ground to liquefy the bitumen and stiff crude oil, making it thin enough to be pulled out of the ground.
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